CVE-2021-35597: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 8.0.26 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client.
External References:
http://www.oracle.com/security-alerts/cpuoct2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 8.0.26 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.27
Event History
Frequently Asked Questions
What is the severity of CVE-2021-35597?
CVE-2021-35597 is classified as an easily exploitable vulnerability that can be used by low privileged attackers with network access.
How do I fix CVE-2021-35597?
To fix CVE-2021-35597, upgrade to MySQL Client version 8.0.27 or later.
Which MySQL Client versions are affected by CVE-2021-35597?
Versions 8.0.26 and prior of the MySQL Client are affected by CVE-2021-35597.
What can attackers achieve by exploiting CVE-2021-35597?
Attackers can compromise the MySQL Client using multiple protocols if they successfully exploit CVE-2021-35597.
Is CVE-2021-35597 specific to any operating systems?
CVE-2021-35597 affects multiple operating systems that support the vulnerable versions of MySQL Client.